mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-21 20:47:08 -05:00
decaffeinate: Convert run.coffee to JS
This commit is contained in:
decaffeinate
Tim Alby
parent
b6cc463a1e
commit
3b6c0d8ca6
1 changed files with 267 additions and 192 deletions
|
|
@ -1,209 +1,284 @@
|
|||
DocUpdaterClient = require "../../acceptance/coffee/helpers/DocUpdaterClient"
|
||||
# MockTrackChangesApi = require "../../acceptance/js/helpers/MockTrackChangesApi"
|
||||
# MockWebApi = require "../../acceptance/js/helpers/MockWebApi"
|
||||
assert = require "assert"
|
||||
async = require "async"
|
||||
/*
|
||||
* decaffeinate suggestions:
|
||||
* DS101: Remove unnecessary use of Array.from
|
||||
* DS102: Remove unnecessary code created because of implicit returns
|
||||
* DS202: Simplify dynamic range loops
|
||||
* DS205: Consider reworking code to avoid use of IIFEs
|
||||
* DS207: Consider shorter variations of null checks
|
||||
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
|
||||
*/
|
||||
const DocUpdaterClient = require("../../acceptance/coffee/helpers/DocUpdaterClient");
|
||||
// MockTrackChangesApi = require "../../acceptance/js/helpers/MockTrackChangesApi"
|
||||
// MockWebApi = require "../../acceptance/js/helpers/MockWebApi"
|
||||
const assert = require("assert");
|
||||
const async = require("async");
|
||||
|
||||
insert = (string, pos, content) ->
|
||||
result = string.slice(0, pos) + content + string.slice(pos)
|
||||
return result
|
||||
const insert = function(string, pos, content) {
|
||||
const result = string.slice(0, pos) + content + string.slice(pos);
|
||||
return result;
|
||||
};
|
||||
|
||||
transform = (op1, op2) ->
|
||||
if op2.p < op1.p
|
||||
const transform = function(op1, op2) {
|
||||
if (op2.p < op1.p) {
|
||||
return {
|
||||
p: op1.p + op2.i.length
|
||||
p: op1.p + op2.i.length,
|
||||
i: op1.i
|
||||
}
|
||||
else
|
||||
return op1
|
||||
};
|
||||
} else {
|
||||
return op1;
|
||||
}
|
||||
};
|
||||
|
||||
class StressTestClient
|
||||
constructor: (@options = {}) ->
|
||||
@options.updateDelay ?= 200
|
||||
@project_id = @options.project_id or DocUpdaterClient.randomId()
|
||||
@doc_id = @options.doc_id or DocUpdaterClient.randomId()
|
||||
@pos = @options.pos or 0
|
||||
@content = @options.content or ""
|
||||
class StressTestClient {
|
||||
constructor(options) {
|
||||
if (options == null) { options = {}; }
|
||||
this.options = options;
|
||||
if (this.options.updateDelay == null) { this.options.updateDelay = 200; }
|
||||
this.project_id = this.options.project_id || DocUpdaterClient.randomId();
|
||||
this.doc_id = this.options.doc_id || DocUpdaterClient.randomId();
|
||||
this.pos = this.options.pos || 0;
|
||||
this.content = this.options.content || "";
|
||||
|
||||
@client_id = DocUpdaterClient.randomId()
|
||||
@version = @options.version or 0
|
||||
@inflight_op = null
|
||||
@charCode = 0
|
||||
this.client_id = DocUpdaterClient.randomId();
|
||||
this.version = this.options.version || 0;
|
||||
this.inflight_op = null;
|
||||
this.charCode = 0;
|
||||
|
||||
@counts = {
|
||||
conflicts: 0
|
||||
local_updates: 0
|
||||
remote_updates: 0
|
||||
this.counts = {
|
||||
conflicts: 0,
|
||||
local_updates: 0,
|
||||
remote_updates: 0,
|
||||
max_delay: 0
|
||||
}
|
||||
};
|
||||
|
||||
DocUpdaterClient.subscribeToAppliedOps (channel, update) =>
|
||||
update = JSON.parse(update)
|
||||
if update.error?
|
||||
console.error new Error("Error from server: '#{update.error}'")
|
||||
return
|
||||
if update.doc_id == @doc_id
|
||||
@processReply(update)
|
||||
|
||||
sendUpdate: () ->
|
||||
data = String.fromCharCode(65 + @charCode++ % 26)
|
||||
@content = insert(@content, @pos, data)
|
||||
@inflight_op = {
|
||||
i: data
|
||||
p: @pos++
|
||||
}
|
||||
@resendUpdate()
|
||||
@inflight_op_sent = Date.now()
|
||||
|
||||
resendUpdate: () ->
|
||||
assert(@inflight_op?)
|
||||
DocUpdaterClient.sendUpdate(
|
||||
@project_id, @doc_id
|
||||
{
|
||||
doc: @doc_id
|
||||
op: [@inflight_op]
|
||||
v: @version
|
||||
meta:
|
||||
source: @client_id
|
||||
dupIfSource: [@client_id]
|
||||
DocUpdaterClient.subscribeToAppliedOps((channel, update) => {
|
||||
update = JSON.parse(update);
|
||||
if (update.error != null) {
|
||||
console.error(new Error(`Error from server: '${update.error}'`));
|
||||
return;
|
||||
}
|
||||
)
|
||||
@update_timer = setTimeout () =>
|
||||
console.log "[#{new Date()}] \t[#{@client_id.slice(0,4)}] WARN: Resending update after 5 seconds"
|
||||
@resendUpdate()
|
||||
, 5000
|
||||
if (update.doc_id === this.doc_id) {
|
||||
return this.processReply(update);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
processReply: (update) ->
|
||||
if update.op.v != @version
|
||||
if update.op.v < @version
|
||||
console.log "[#{new Date()}] \t[#{@client_id.slice(0,4)}] WARN: Duplicate ack (already seen version)"
|
||||
return
|
||||
else
|
||||
console.error "[#{new Date()}] \t[#{@client_id.slice(0,4)}] ERROR: Version jumped ahead (client: #{@version}, op: #{update.op.v})"
|
||||
@version++
|
||||
if update.op.meta.source == @client_id
|
||||
if @inflight_op?
|
||||
@counts.local_updates++
|
||||
@inflight_op = null
|
||||
clearTimeout @update_timer
|
||||
delay = Date.now() - @inflight_op_sent
|
||||
@counts.max_delay = Math.max(@counts.max_delay, delay)
|
||||
@continue()
|
||||
else
|
||||
console.log "[#{new Date()}] \t[#{@client_id.slice(0,4)}] WARN: Duplicate ack"
|
||||
else
|
||||
assert(update.op.op.length == 1)
|
||||
@counts.remote_updates++
|
||||
external_op = update.op.op[0]
|
||||
if @inflight_op?
|
||||
@counts.conflicts++
|
||||
@inflight_op = transform(@inflight_op, external_op)
|
||||
external_op = transform(external_op, @inflight_op)
|
||||
if external_op.p < @pos
|
||||
@pos += external_op.i.length
|
||||
@content = insert(@content, external_op.p, external_op.i)
|
||||
sendUpdate() {
|
||||
const data = String.fromCharCode(65 + (this.charCode++ % 26));
|
||||
this.content = insert(this.content, this.pos, data);
|
||||
this.inflight_op = {
|
||||
i: data,
|
||||
p: this.pos++
|
||||
};
|
||||
this.resendUpdate();
|
||||
return this.inflight_op_sent = Date.now();
|
||||
}
|
||||
|
||||
continue: () ->
|
||||
if @updateCount > 0
|
||||
@updateCount--
|
||||
setTimeout () =>
|
||||
@sendUpdate()
|
||||
, @options.updateDelay * ( 0.5 + Math.random() )
|
||||
else
|
||||
@updateCallback()
|
||||
|
||||
runForNUpdates: (n, callback = (error) ->) ->
|
||||
@updateCallback = callback
|
||||
@updateCount = n
|
||||
@continue()
|
||||
|
||||
check: (callback = (error) ->) ->
|
||||
DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, body) =>
|
||||
throw error if error?
|
||||
if !body.lines?
|
||||
return console.error "[#{new Date()}] \t[#{@client_id.slice(0,4)}] ERROR: Invalid response from get doc (#{doc_id})", body
|
||||
content = body.lines.join("\n")
|
||||
version = body.version
|
||||
if content != @content
|
||||
if version == @version
|
||||
console.error "[#{new Date()}] \t[#{@client_id.slice(0,4)}] Error: Client content does not match server."
|
||||
console.error "Server: #{content.split('a')}"
|
||||
console.error "Client: #{@content.split('a')}"
|
||||
else
|
||||
console.error "[#{new Date()}] \t[#{@client_id.slice(0,4)}] Error: Version mismatch (Server: '#{version}', Client: '#{@version}')"
|
||||
|
||||
if !@isContentValid(@content)
|
||||
for chunk, i in @content.split("")
|
||||
if chunk? and chunk != "a"
|
||||
console.log chunk, i
|
||||
throw new Error("bad content")
|
||||
callback()
|
||||
|
||||
isChunkValid: (chunk) ->
|
||||
char = 0
|
||||
for letter, i in chunk
|
||||
if letter.charCodeAt(0) != 65 + i % 26
|
||||
console.error "[#{new Date()}] \t[#{@client_id.slice(0,4)}] Invalid Chunk:", chunk
|
||||
return false
|
||||
return true
|
||||
|
||||
isContentValid: (content) ->
|
||||
for chunk in content.split('a')
|
||||
if chunk? and chunk != ""
|
||||
if !@isChunkValid(chunk)
|
||||
|
||||
console.error "[#{new Date()}] \t[#{@client_id.slice(0,4)}] Invalid content", content
|
||||
return false
|
||||
return true
|
||||
|
||||
|
||||
checkDocument = (project_id, doc_id, clients, callback = (error) ->) ->
|
||||
jobs = clients.map (client) ->
|
||||
(cb) -> client.check cb
|
||||
async.parallel jobs, callback
|
||||
|
||||
printSummary = (doc_id, clients) ->
|
||||
slot = require('cluster-key-slot')
|
||||
now = new Date()
|
||||
console.log "[#{now}] [#{doc_id.slice(0,4)} (slot: #{slot(doc_id)})] #{clients.length} clients..."
|
||||
for client in clients
|
||||
console.log "[#{now}] \t[#{client.client_id.slice(0,4)}] { local: #{client.counts.local_updates }, remote: #{client.counts.remote_updates}, conflicts: #{client.counts.conflicts}, max_delay: #{client.counts.max_delay} }"
|
||||
client.counts = {
|
||||
local_updates: 0
|
||||
remote_updates: 0
|
||||
conflicts: 0
|
||||
max_delay: 0
|
||||
resendUpdate() {
|
||||
assert(this.inflight_op != null);
|
||||
DocUpdaterClient.sendUpdate(
|
||||
this.project_id, this.doc_id,
|
||||
{
|
||||
doc: this.doc_id,
|
||||
op: [this.inflight_op],
|
||||
v: this.version,
|
||||
meta: {
|
||||
source: this.client_id
|
||||
},
|
||||
dupIfSource: [this.client_id]
|
||||
}
|
||||
);
|
||||
return this.update_timer = setTimeout(() => {
|
||||
console.log(`[${new Date()}] \t[${this.client_id.slice(0,4)}] WARN: Resending update after 5 seconds`);
|
||||
return this.resendUpdate();
|
||||
}
|
||||
, 5000);
|
||||
}
|
||||
|
||||
processReply(update) {
|
||||
if (update.op.v !== this.version) {
|
||||
if (update.op.v < this.version) {
|
||||
console.log(`[${new Date()}] \t[${this.client_id.slice(0,4)}] WARN: Duplicate ack (already seen version)`);
|
||||
return;
|
||||
} else {
|
||||
console.error(`[${new Date()}] \t[${this.client_id.slice(0,4)}] ERROR: Version jumped ahead (client: ${this.version}, op: ${update.op.v})`);
|
||||
}
|
||||
}
|
||||
this.version++;
|
||||
if (update.op.meta.source === this.client_id) {
|
||||
if (this.inflight_op != null) {
|
||||
this.counts.local_updates++;
|
||||
this.inflight_op = null;
|
||||
clearTimeout(this.update_timer);
|
||||
const delay = Date.now() - this.inflight_op_sent;
|
||||
this.counts.max_delay = Math.max(this.counts.max_delay, delay);
|
||||
return this.continue();
|
||||
} else {
|
||||
return console.log(`[${new Date()}] \t[${this.client_id.slice(0,4)}] WARN: Duplicate ack`);
|
||||
}
|
||||
} else {
|
||||
assert(update.op.op.length === 1);
|
||||
this.counts.remote_updates++;
|
||||
let external_op = update.op.op[0];
|
||||
if (this.inflight_op != null) {
|
||||
this.counts.conflicts++;
|
||||
this.inflight_op = transform(this.inflight_op, external_op);
|
||||
external_op = transform(external_op, this.inflight_op);
|
||||
}
|
||||
if (external_op.p < this.pos) {
|
||||
this.pos += external_op.i.length;
|
||||
}
|
||||
return this.content = insert(this.content, external_op.p, external_op.i);
|
||||
}
|
||||
}
|
||||
|
||||
continue() {
|
||||
if (this.updateCount > 0) {
|
||||
this.updateCount--;
|
||||
return setTimeout(() => {
|
||||
return this.sendUpdate();
|
||||
}
|
||||
, this.options.updateDelay * ( 0.5 + Math.random() ));
|
||||
} else {
|
||||
return this.updateCallback();
|
||||
}
|
||||
}
|
||||
|
||||
runForNUpdates(n, callback) {
|
||||
if (callback == null) { callback = function(error) {}; }
|
||||
this.updateCallback = callback;
|
||||
this.updateCount = n;
|
||||
return this.continue();
|
||||
}
|
||||
|
||||
check(callback) {
|
||||
if (callback == null) { callback = function(error) {}; }
|
||||
return DocUpdaterClient.getDoc(this.project_id, this.doc_id, (error, res, body) => {
|
||||
if (error != null) { throw error; }
|
||||
if ((body.lines == null)) {
|
||||
return console.error(`[${new Date()}] \t[${this.client_id.slice(0,4)}] ERROR: Invalid response from get doc (${doc_id})`, body);
|
||||
}
|
||||
const content = body.lines.join("\n");
|
||||
const {
|
||||
version
|
||||
} = body;
|
||||
if (content !== this.content) {
|
||||
if (version === this.version) {
|
||||
console.error(`[${new Date()}] \t[${this.client_id.slice(0,4)}] Error: Client content does not match server.`);
|
||||
console.error(`Server: ${content.split('a')}`);
|
||||
console.error(`Client: ${this.content.split('a')}`);
|
||||
} else {
|
||||
console.error(`[${new Date()}] \t[${this.client_id.slice(0,4)}] Error: Version mismatch (Server: '${version}', Client: '${this.version}')`);
|
||||
}
|
||||
}
|
||||
|
||||
CLIENT_COUNT = parseInt(process.argv[2], 10)
|
||||
UPDATE_DELAY = parseInt(process.argv[3], 10)
|
||||
SAMPLE_INTERVAL = parseInt(process.argv[4], 10)
|
||||
if (!this.isContentValid(this.content)) {
|
||||
const iterable = this.content.split("");
|
||||
for (let i = 0; i < iterable.length; i++) {
|
||||
const chunk = iterable[i];
|
||||
if ((chunk != null) && (chunk !== "a")) {
|
||||
console.log(chunk, i);
|
||||
}
|
||||
}
|
||||
throw new Error("bad content");
|
||||
}
|
||||
return callback();
|
||||
});
|
||||
}
|
||||
|
||||
for doc_and_project_id in process.argv.slice(5)
|
||||
do (doc_and_project_id) ->
|
||||
[project_id, doc_id] = doc_and_project_id.split(":")
|
||||
console.log {project_id, doc_id}
|
||||
DocUpdaterClient.setDocLines project_id, doc_id, [(new Array(CLIENT_COUNT + 2)).join('a')], null, null, (error) ->
|
||||
throw error if error?
|
||||
DocUpdaterClient.getDoc project_id, doc_id, (error, res, body) =>
|
||||
throw error if error?
|
||||
if !body.lines?
|
||||
return console.error "[#{new Date()}] ERROR: Invalid response from get doc (#{doc_id})", body
|
||||
content = body.lines.join("\n")
|
||||
version = body.version
|
||||
isChunkValid(chunk) {
|
||||
const char = 0;
|
||||
for (let i = 0; i < chunk.length; i++) {
|
||||
const letter = chunk[i];
|
||||
if (letter.charCodeAt(0) !== (65 + (i % 26))) {
|
||||
console.error(`[${new Date()}] \t[${this.client_id.slice(0,4)}] Invalid Chunk:`, chunk);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
isContentValid(content) {
|
||||
for (let chunk of Array.from(content.split('a'))) {
|
||||
if ((chunk != null) && (chunk !== "")) {
|
||||
if (!this.isChunkValid(chunk)) {
|
||||
|
||||
console.error(`[${new Date()}] \t[${this.client_id.slice(0,4)}] Invalid content`, content);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
const checkDocument = function(project_id, doc_id, clients, callback) {
|
||||
if (callback == null) { callback = function(error) {}; }
|
||||
const jobs = clients.map(client => cb => client.check(cb));
|
||||
return async.parallel(jobs, callback);
|
||||
};
|
||||
|
||||
const printSummary = function(doc_id, clients) {
|
||||
const slot = require('cluster-key-slot');
|
||||
const now = new Date();
|
||||
console.log(`[${now}] [${doc_id.slice(0,4)} (slot: ${slot(doc_id)})] ${clients.length} clients...`);
|
||||
return (() => {
|
||||
const result = [];
|
||||
for (let client of Array.from(clients)) {
|
||||
console.log(`[${now}] \t[${client.client_id.slice(0,4)}] { local: ${client.counts.local_updates }, remote: ${client.counts.remote_updates}, conflicts: ${client.counts.conflicts}, max_delay: ${client.counts.max_delay} }`);
|
||||
result.push(client.counts = {
|
||||
local_updates: 0,
|
||||
remote_updates: 0,
|
||||
conflicts: 0,
|
||||
max_delay: 0
|
||||
});
|
||||
}
|
||||
return result;
|
||||
})();
|
||||
};
|
||||
|
||||
const CLIENT_COUNT = parseInt(process.argv[2], 10);
|
||||
const UPDATE_DELAY = parseInt(process.argv[3], 10);
|
||||
const SAMPLE_INTERVAL = parseInt(process.argv[4], 10);
|
||||
|
||||
for (let doc_and_project_id of Array.from(process.argv.slice(5))) {
|
||||
(function(doc_and_project_id) {
|
||||
const [project_id, doc_id] = Array.from(doc_and_project_id.split(":"));
|
||||
console.log({project_id, doc_id});
|
||||
return DocUpdaterClient.setDocLines(project_id, doc_id, [(new Array(CLIENT_COUNT + 2)).join('a')], null, null, function(error) {
|
||||
if (error != null) { throw error; }
|
||||
return DocUpdaterClient.getDoc(project_id, doc_id, (error, res, body) => {
|
||||
let runBatch;
|
||||
if (error != null) { throw error; }
|
||||
if ((body.lines == null)) {
|
||||
return console.error(`[${new Date()}] ERROR: Invalid response from get doc (${doc_id})`, body);
|
||||
}
|
||||
const content = body.lines.join("\n");
|
||||
const {
|
||||
version
|
||||
} = body;
|
||||
|
||||
clients = []
|
||||
for pos in [1..CLIENT_COUNT]
|
||||
do (pos) ->
|
||||
client = new StressTestClient({doc_id, project_id, content, pos: pos, version: version, updateDelay: UPDATE_DELAY})
|
||||
clients.push client
|
||||
const clients = [];
|
||||
for (let pos = 1, end = CLIENT_COUNT, asc = 1 <= end; asc ? pos <= end : pos >= end; asc ? pos++ : pos--) {
|
||||
(function(pos) {
|
||||
const client = new StressTestClient({doc_id, project_id, content, pos, version, updateDelay: UPDATE_DELAY});
|
||||
return clients.push(client);
|
||||
})(pos);
|
||||
}
|
||||
|
||||
do runBatch = () ->
|
||||
jobs = clients.map (client) ->
|
||||
(cb) -> client.runForNUpdates(SAMPLE_INTERVAL / UPDATE_DELAY, cb)
|
||||
async.parallel jobs, (error) ->
|
||||
throw error if error?
|
||||
printSummary(doc_id, clients)
|
||||
checkDocument project_id, doc_id, clients, (error) ->
|
||||
throw error if error?
|
||||
runBatch()
|
||||
return (runBatch = function() {
|
||||
const jobs = clients.map(client => cb => client.runForNUpdates(SAMPLE_INTERVAL / UPDATE_DELAY, cb));
|
||||
return async.parallel(jobs, function(error) {
|
||||
if (error != null) { throw error; }
|
||||
printSummary(doc_id, clients);
|
||||
return checkDocument(project_id, doc_id, clients, function(error) {
|
||||
if (error != null) { throw error; }
|
||||
return runBatch();
|
||||
});
|
||||
});
|
||||
})();
|
||||
});
|
||||
});
|
||||
})(doc_and_project_id);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue